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Figures 1 and 2 represent two of the four card abstracts covering & publication by 
R. T. L. Rogers, "Demarcation of the disputed India-Pakistan boundary in Bengal". 
J. Roy. Instn. Chart. Surveyors, London, 34, part 11, 1955, p. 958-971, 2 figs. Of 
these cards, one is intended for the "author set" and three for the "subject set". 
On the other card, the author's last name is underlined by us (fig.1) and this card 
should be filed alphabetically under R. On the subject cards, each classification 
number is underlined by us on a different card(fig.2),thus enabling the 3 subject 
cards to be placed under the numbers 
528.74 Geodetic applications of photogrammetry, 
341.222 Frontiers and boundaries fis.2) 
and (54) Indo-Pakistan subcontinent. 
To facilitate handling, tab cards are supplied indicating the most important divi- 
sions. 
SUBSCRIPTION. 
The edition of this bibliography is intended as a contribution to photogrammetry: 
the screening and abstracting carried out by our colleagues in the various coun- 
tries and the translation, classification and editing carried out by the ITC are 
available free of charge. The subscription is limited to the nominal cost of re- 
production and shipment. 
The rate of subscription is the equivalent of US $9.00 per 500 titles (approx.1500 
cards) for all countries. On receipt of the subscription form and of the subscrip- 
tion fee(advance payment through our banking agency Messrs R.Mees & Zoonen, Delft, 
Netherlands) those card abstracts which are already published are mailed to the sub- 
scriber immediately, and those which are being edited will be mailed as they become 
available. 
®